
CHAPTER 26 ELECTRICAL SPECIFICATIONS
User
’
s Manual U15862EJ3V0UD
734
CSIA Timing
(1) Master mode
(T
A
=
40 to
+
85
°
C, V
DD
= EV
DD
= AV
REF0
= 2.7 to 5.5 V, 2.7 V
≤
BV
DD
≤
V
DD
, 2.7 V
≤
AV
REF1
≤
V
DD
, V
SS
= EV
SS
=
BV
SS
= AV
SS
= 0 V, C
L
= 50 pF)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
REGC = V
DD
= 4.0 to 5.5 V
600
ns
SCKAn cycle time
t
KCY3
<99>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
1000
ns
SCKAn high-/low-level width
t
KH3
,
t
KL3
<100>
t
KCY3
/2
30
ns
REGC = V
DD
= 4.0 to 5.5 V
30
ns
SIAn setup time (to SCKAn
↑
)
t
SIK3
<101>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
60
ns
REGC = V
DD
= 4.0 to 5.5 V
30
ns
SIAn hold time (from SCKAn
↑
)
t
KSI3
<102>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
60
ns
REGC = V
DD
= 4.0 to 5.5 V
30
ns
Delay time from SCKAn
↓
to SOAn
output
t
KSO3
<103>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
60
ns
Remark
n = 0 (V850ES/KF1), n = 0, 1 (V850ES/KG1, V850ES/KJ1)
(2) Slave mode
(T
A
=
40 to
+
85
°
C, V
DD
= EV
DD
= AV
REF0
= 2.7 to 5.5 V, 2.7 V
≤
BV
DD
≤
V
DD
, 2.7 V
≤
AV
REF1
≤
V
DD
, V
SS
= EV
SS
=
BV
SS
= AV
SS
= 0 V, C
L
= 50 pF)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
REGC = V
DD
= 4.0 to 5.5 V
840
ns
SCKAn cycle time
t
KCY4
<99>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
1700
ns
SCKAn high-/low-level width
t
KH4
, t
KL4
<100>
t
KCY4
/2
30
ns
REGC = V
DD
= 4.0 to 5.5 V
50
ns
SIAn setup time (to SCKAn
↑
)
t
SIK4
<101>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
100
ns
REGC = V
DD
= 4.0 to 5.5 V
50
ns
SIAn hold time (from SCKAn
↑
)
t
KSI4
<102>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
100
ns
REGC = V
DD
= 4.0 to 5.5 V
t
CY
×
2
+
30
Note
ns
Delay time from SCKAn
↓
to SOAn
output
t
KSO4
<103>
REGC = Capacity, V
DD
= 4.0 to 5.5 V,
REGC = V
DD
= 2.7 to 5.5 V
t
CY
×
2
+
60
Note
ns
Note
t
CY
: Internal clock output cycle
f
XX
(CKSAn1 = 0, CKSAn0 = 0), f
XX
/2 (CKSAn1 = 0, CKSAn0 = 1)
f
XX
/2
2
(CKSAn1 = 1, CKSAn0 = 0), f
XX
/2
3
(CKSAn1 = 1, CKSAn0 = 1)
Remark
n = 0 (V850ES/KF1), n = 0, 1 (V850ES/KG1, V850ES/KJ1)